Gunn v. Bridgeport Brass Co.

.HAZEL, District Judge.

This bill in equity is based upon the alleged infringement of claims 1, 2, and 3 of letters patent No. 583,227, dated May 25, 1897, issued to James N. Gunn, for an improvement in card records. The complainants, Gunn & Stanford, are the owners of the patent; the Library Bureau being exclusive licensee under the same. The proofs show that the patentee conceived the invention in M'arch, 1892, and disclosed the same to others. He cut out by hand a set of record cards in the shape or contour described in the specification and afterwards endeavored to have a supply cut by…